REnex Technology PT209-0104003 2.4GHz DSSS Wireless Modem User Manual
REnex Technology Limited 2.4GHz DSSS Wireless Modem
Contents
- 1. User Manual
- 2. FCC Information
User Manual
Purpletooth® 2.4GHz Wireless Modem Direct Sequence Spread Spectrum PT-209G/219G User Manual Version 2.2 REnex Technology Limited Room 601-603, 6/F., 1 Science Park East Avenue, Hong Kong Science Park, Pak Shek Kok, N.T., Hong Kong Phone: +852 2607 4088 Fax: +852 2607 4099 www.renextechnology.com This document is produced for users of Purpletooth® PT-209G/219G, the spread spectrum wireless modem from REnex Technology Limited. It covers the operating principles and capabilities of Purpletooth® PT-209G/219G. It is highly recommended to read this document before using Purpletooth® PT-209G/219G in order to operate it correctly and have its best performance. WARNING Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. This manual contains information of proprietary interest to REnex Technology Limited. It is supplied in confidence to purchasers and other authorized users of Purpletooth® PT209G/219G Wireless Modem. By accepting this material, the recipient agrees that the contents will not be copied or reproduced, in whole or part, without prior written consent of REnex Technology Limited. The electronic equipment described in this manual generates, uses, and radiates radio frequency energy. Operation of this equipment in a residential area may cause radio interference, in which case the user, at his/her own expense, will be required to take whatever measures necessary to correct the interference. Information in this document is subject to change without notice. REnex Reference Number: R-001-4000-018 Printed Date: November 2004 © 2001-2004 REnex Technology Limited. All rights reserved. Purpletooth® is registered trademark of REnex Technology Limited. Microsoft and Windows are registered trademarks of Microsoft Corporation. HyperTerminal is copyrighted by Hilgraeve Inc, and developed for Microsoft. All other products mentioned in this document are trademarks or registered trademarks of their respective holders. - ii - FCC Information This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: 1) this device may not cause harmful interference, and 2) this device must accept any interference received, including interference that may cause undesired operation. NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: -- Reorient or relocate the receiving antenna. -- Increase the separation between the equipment and receiver. -- Connect the equipment into an outlet on a circuit different from that to which the receiver is needed. -- Consult the dealer or an experienced radio/TV technician for help. RS-232 DB9 shielded cable with ferrite must be used with this unit to ensure compliance with the Class B FCC limits. CAUTION: The model number PT-209G and PT-219G have maximum transmitted output power of 0.07 Watt. It is recommended that the transmit antenna be kept at least 20 cm away from nearby persons to satisfy FCC RF exposure requirements. The antenna and transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. - iii - CAUTION: RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT TYPE. DISPOSE OF USED BATTERIES ACCORDING TO THE INSTRUCTIONS. - iv - WARRANTY REnex Technology Limited (REnex) warrants this product to the original owner purchased directly from REnex or an authorized distributor to be free of defects and workmanship for a period of one year from the date of purchase. REnex’s obligation under this warranty is limited to replacing or repairing defective parts of our product under normal use and service. REnex is not liable for any damage, which results from abnormal use, abuse, improper operation, accident or inability to use this product. -v- Contents WARRANTY.............................................................................................................................................. v 1. General.......................................................................................................................1 1.1 1.2 2. Product Overview ............................................................................................................................ 1 Features ........................................................................................................................................... 1 Physical/Electrical Attributes ...................................................................................2 2.1 2.2 2.3 3. PT-209G/219G Physical Layout ....................................................................................................... 2 LED Indications............................................................................................................................... 3 RS-232 DB-9 Connection................................................................................................................. 4 Setup PT-209G/219G.................................................................................................5 3.1 3.2 3.3 A. B. Setting up Connections..................................................................................................................... 5 Checking the Link............................................................................................................................ 5 Using the USB Port.......................................................................................................................... 6 Technical Specifications ............................................................................................7 Antenna Specifications ..............................................................................................8 - vi - 1. General 1.1 Product Overview The Purpletooth® PT-209G/219G Direct Sequence Spread Spectrum (DSSS) Wireless Modem is a high performance wireless modem. It is designed to provide a long distance, high data rate and robust platform for applications. It offers data communication capabilities to application equipment via standard interfaces. Neither additional hardware nor software modification is required in the application equipment to work with PT-209G/219G. By using a pair of PT-209G/219G modems, users can transfer data between almost all types of equipment that use asynchronous serial interfaces. The small size and superior performance of PT-209G/219G make it an ideal solution for many applications. Typical examples are: Traffic control Remote monitoring Telemetry Remote camera/robot control Mobile video transmission Environmental monitoring Emergency rescue Premises security Logistics PT-209G is the standard version that conforms to the FCC, CE and China SRRC regulations. While PT-219G is an enhanced version that bears the UL Class 1 Division 2/ATEX Group 2 Category 3 safety classification in addition to the FCC, CE and China SRRC radio approvals. 1.2 Features Key features of PT-209G/219G: Operates in license-free frequency band Supports serial data I/O with handshaking and hardware flow controls Supports high speed and high throughput data transfers via USB and Ethernet ports Provides error-free data connections via built-in CRC-16 error detection and automatic re-transmission Offers high data rate and support long distance Adopts the advanced Direct Sequence Spread Spectrum (DSSS) technology to provide high interference immunity to protect on-air data from signal interferences and malicious data trappings Supports various data applications with efficient communication protocols Easy to use, plug-and-play without specific software requirement NOTE1: This manual has been provided as a guide and reference for installing and using PT-209G/219G wireless modems. It is assumed that users of PT-209G/219G modem have either system integration or system design experience. 2. Physical/Electrical Attributes 2.1 PT-209G/219G Physical Layout The following diagrams illustrate the front and rear panels of PT-209G/219G. Antenna ON ANT. PWR OK Tx Rx CHARGING OFF CNFG (a) Front panel RS-232 LAN ⊕ 12V USB (b) Rear panel Figure 1. Front and rear panels of PT-209G/219G modem. Photos of PT-209G/219G are depicted in the following figures: Figure 2. Photos of PT-209G/219G modem. 2.2 LED Indications Five LED’s are installed in PT-209G/219G modem as shown in Figure 1 (a). They indicate the status of the modem and their definitions are listed in the following table: Table 1. LED indications On Off Dim Flash Rx LED No data receive Data link in active Receiving data Tx LED No data send out Data link in active Sending out data OK LED* Procedure success No procedure/ procedure failed Procedure in progress Power LED Power down Power up In power saving mode Charging LED Red: Charging; Green: Fully charged * Procedure means the slave registration/de-registration procedures. It is off in normal operations. 2.3 RS-232 DB-9 Connection Pin assignments of the RS-232 port are as follows: Table 2 Pin assignments of the RS-232 port RS-232 port pin no. Pin name Signal direction DCD RXD Output TXD Input DTR Input GND DSR Output RTS Input CTS Output RI 3. Setup PT-209G/219G 3.1 Setting up Connections PT-209G/219G modems are shipped from REnex with a pre-configured setting. They can operate “out of the box”. Hence, the only thing users need to do is to make the appropriate connections between the modem and their equipment via the RS-232 port, the USB port or the Ethernet port, and then power up. The master and slave(s) shall communicate properly. For using the USB port, you may need to install a driver for the first time plugging in your system. Please follow the “Purpletooth® Family USB Driver Installation Guide” for the installation procedure. 3.2 Checking the Link After finishing the physical connection setup mentioned above, PT-209G/219G should be ready. If the performance of the communication link is not satisfactory or any linking problem is found, the following steps may help you locate the problem. Master Slave Figure 3. Basic network mode. 1. Connect each modem to a serial port of a PC using direct RS-232 cable. 2. Start a terminal program such as Hyper Terminal (http://www.hilgraeve.com, it may be found in Microsoft Windows OS) for each serial port. Make sure the baud rate and data format settings agree with those of PT-209G/219G. 3. Characters typed at the master’s terminal should appear at that of the slave’s and vice versa. 4. The TX LED should flash during transmitting data to the RF link. 5. The RX LED should flash during receiving data from the RF link. 6. Adjust the modem separation and the antenna direction to locate positions with the best performance. NOTE 2: PT-209G/219G is highly sensitive to obstacles in its communication path. Make sure the communicating modems are in lineof-sight. Otherwise, the performance may drop significantly. NOTE 3: Antenna height is a critical factor. Try to put the antenna at a position as high as possible. 3.3 Using the USB Port An Internet access driver, called NDIS-USB driver, is provided in the CD-ROM inside the delivery package. You can follow the installation guide in the CD-ROM to install it. After that, you can access the Internet via a networked PC and a pair of PT-209G/219G as illustrated below: Wireless connection ® Purpletooth ® Purpletooth Internet Master LAN cable PC with NDIS-USB driver installed AND an ordinary Ethernet adapter connected to Internet Slave USB cables PC or embedded system with NDISUSB driver installed Figure 4. A PC or an embedded system can access the Internet via a pair of Purpletooth® modems and another PC with NDIS-USB driver installed. In the recent release, the Windows 2000 and Windows XP versions of NDIS-USB driver are provided. Please refer to “Purpletooth® Family USB Driver Installation Guide” for the installation and usage details. A. Technical Specifications PT-209G/219G 2.400 to 2.4835 GHz, carrier at 2.4476 GHz Direct Sequence (DSSS) 11.4 – 17.4 dB Dipole antenna (RO-IK-0504 from Radiall), 50 ohm load / *Magnet mount antenna (TQC-2400AIP from Kenbotong Communication Ltd.) / *Omni-directional antenna (HTQ-2.4-10 from Xian Haitian Antenna Tech. Co., Ltd.) Operating Range Up to 5 km (15 km for HTQ-2.4-10 antenna) in lineof-sight Maximum E.I.R.P. 100 mW (20 dBm) -6 Receiver Sensitivity -96 dBm at 10 BER RF Channel Bandwidth 32 MHz (Null-to-null) Communication Method Time division duplex (TDD) Network Protocol Purpletooth® Adaptive Intelli-Polling Error Control CRC and ARQ Baseband Modulation BPSK and QPSK Channel Data Rate 256 Kbps, 512 Kbps, Up to 1 Mbps I/O Interface RS232, USB# and RJ-45 ports Supply Voltage 12 V Maximum Current Consumption 535 mA at 7.4 V during transmission 310 mA at 7.4 V during reception 85 mA at 7.4 V during sleep Battery Rechargeable, 7.2V/1550mAh Operating Temperature -20 C to 70 C, (-4 F to 158 F) Humidity 20 % to 90 % non-condensing Dimensions (L × W × H) 157 × 76 × 45 mm (without antenna) Weight 512 g *TQC-2400AIP and HTQ-2.4-10 are optional for US shipment only. # USB port cannot be used in hazardous environment under UL/ATEX classifications. RF Frequency Spread Spectrum Processing Gain Antenna B. Antenna Specifications Model: RO-IK-0504 Electrical Item Specifications Type of antenna Dipole antenna Frequency range 2.40 ~ 2.48 GHz Electrical length 1/2λ Nominal impedance 50 Ohm Polarization Vertical V.S.W.R Less than 2.0 Peak gain 1.5 dBi Mechanical Item Element Specifications Remarks Remarks RG-316 cable Sleeve Urethane Black Base Nylon 66 Black SMA male Ni plate Connector Antenna total length 168 ± 3 mm Model: TQC-2400AIP Electrical Item Specifications Type of antenna Magnet mount antenna Frequency range 2.400 ~ 2.483 GHz Nominal impedance 50 Ohm Polarization Vertical V.S.W.R. Less than 1.5 Gain 7 dBi Mechanical Item Specifications Length 300 mm Mount 90 mm diameter magnet Cable 300 mm Connector SMA male * Manufacturer: Kenbotong Communication Ltd. Model: HTQ-2.4-10 Electrical Item Specifications Type of antenna Omni-directional antenna Frequency range 2.400 ~ 2.500 GHz Nominal impedance 50 Ohm Polarization Vertical V.S.W.R Less than 1.4 Gain 10 dBi Mechanical Item Specifications Length 824 mm Diameter φ20 mm Cable 500 mm Connector SMA male Antenna radiation pattern diagrams: Horizontal direction Vertical direction * Manufacturer: Xian Haitian Antenna Technologies Co., Ltd. 10
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